Tablet computer protective casing



FIG. 1 is a front and top perspective view of a tablet computer protective casing, showing my new design;

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the figures illustrate portions of the tablet computer protective casing that form no part of the claimed design. 

CLAIM The ornamental design for a tablet computer protective casing, as shown and described. 